cisco 归档 - 第11页 共21页 - 夜莺博客

标签：cisco

Cisco MST Configuration: Region, Instance and VLAN Mapping

Cisco MST Configuration: Region, Instance and VLAN Mapping

Configure MST (802.1s) on Cisco switches: region name, revision and VLAN-to-instance mapping, root priorities, PVST+ migration and region-split troubl

admin admin 2026-09-09
0 0 0
Cisco IOS IP SLA Configuration: ICMP Echo and Track Objects

Cisco IOS IP SLA Configuration: ICMP Echo and Track Objects

Configure Cisco IOS IP SLA ICMP echo probes and track objects for automatic failover: ip sla, icmp-echo, frequency, timeout and track verification.

admin admin 2026-09-09
0 0 0
Ansible Network Automation for Cisco, Juniper and Arista

Ansible Network Automation for Cisco, Juniper and Arista

A multi-vendor Ansible inventory for Cisco IOS, Junos and Arista EOS: platform command modules, cli_command, credentials, config backup and troublesho

admin admin 2026-09-08
0 0 0
Cisco IOS-XR Interface CRC Errors: How to Troubleshoot

Cisco IOS-XR Interface CRC Errors: How to Troubleshoot

Diagnose CRC errors on Cisco IOS XR: read show interfaces counters, correlate PCS and optics data, then isolate the faulty cable or module step by ste

admin admin 2026-09-08
0 0 0
BGP Route Flap Damping Explained: Penalty and Timer Tuning

BGP Route Flap Damping Explained: Penalty and Timer Tuning

RIPE-580 in practice: why the default suppress threshold fails, how to compute the maximum penalty, and step-by-step IOS and Junos tuning.

admin admin 2026-09-08
0 0 0
Cisco IOS-XR Input Drops: NP Counter Troubleshooting

Cisco IOS-XR Input Drops: NP Counter Troubleshooting

Cisco IOS XR input drops come from many components, not one queue. Read the interface counters, decode NP counters and capture the dropped packet.

admin admin 2026-09-08
0 0 0
Cisco IOS VRF Lite Configuration Guide

Cisco IOS VRF Lite Configuration Guide

Build VRF lite on Cisco IOS: define VRFs, bind interfaces, per-VRF static routes and OSPF, verify with show ip vrf, and avoid clearing the interface I

admin admin 2026-09-07
0 0 0
Cisco UDLD Configuration: Normal vs Aggressive Mode

Cisco UDLD Configuration: Normal vs Aggressive Mode

Configure UDLD on Cisco switches to detect unidirectional fiber links: normal vs aggressive mode, message interval, errdisable recovery and verificati

admin admin 2026-09-07
0 0 0
Cisco Nexus NX-OS Checkpoint and Rollback Guide

Cisco Nexus NX-OS Checkpoint and Rollback Guide

Cisco Nexus NX-OS checkpoint and rollback guide: create snapshots, diff the patch, run atomic or best-effort rollback, verify and save safely.

admin admin 2026-09-07
0 0 0
BGP Route Reflector cluster-id: Configuration Guide

BGP Route Reflector cluster-id: Configuration Guide

BGP route reflector cluster-id guide: client roles, IOS config, why redundant RRs share one cluster-id and CLUSTER_LIST loop prevention.

admin admin 2026-09-07
0 0 0
1 … 9 10 11 12 13 … 21